HM Digital PSC-150 Extended Range EC/TDS Controller - Relay Control with Alarm digital refractometer you have everything you need

you have everything you need for fast filtration

(Shuts off automatically after 10 minutes of non-use)

1 plastic knob for lid (assembly hardware included)

PSC-50: Single Line

or emergency kit

HM Digital PSC-150 Extended Range EC/TDS Controller - Relay Control with Alarm digital refractometer you have everything you needPSC 150: Extended Range EC TDS Controller New controller includes extended range, digital calibration, on screen temperature and tri color display. FEATURES: Monitors and controls TDS levels for high output commercial systems. Large, bright L. E. D. display An alarm will sound if the TDS level rises above the user set level. On screen temperature display (C F) Includes one sensor probe PRODUCT DESCRIPTION EC Range: 0 9999 S TDS Range: 0 5000 ppm